278 



THE ANIMALS OF NEW ZEALAND 



The White-capped Mollymawk. 



Thalassarche hulleri. 



Head and neck, pale grey; a dark patch in front of the eye. Back, 

 wings, and anterior margin of their lower surface, sooty brown. The rest 

 of the body, white. Bill, blackish horn colour, with the upper and lower 

 margins yellow; the j'ellow of the upper margin expanding backwards. 

 Both in front and behind the nostril there is a narrow band of black 

 membrane, which does not quite reach the base of the bill. Legs and feet 

 yellow. Length of the wing, 20.8 inches; of the tarsus, 3.3 inches. 

 Breeds at the Snares towards the end of January. 



II Aiirldfiml Mauds.) 



iri„'i,' 

 Mollyiuawks on Nest. 



The Grey-headed Mollymawk. 



Thalassarche culminaius. 



The colours are the same as in the last species; but the yellow on the 

 upper margin of the bill narrows slightly behind the nasal tubes, and the 



